-89.67% is the change from 687 to 71
Calculation steps:
[( 71 - 687 ) ÷ 687] x 100 = -89.67%
Formula
Percentage change = [(71 - 687) / 687] x 100
Subtract the new number by the original number
71 - 687 = -616
-616 ÷ 687 = -0.8966521106259098
-0.8966521106259098 x 100 = -89.67%